20753055

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4231}}^1$

素因数の和:4351

約数の個数: 24

約数和(自身を含む): 36310560

約数和(自身を除く): 15557505

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4231, 4905, 12693, 21155, 38079, 63465, 190395, 461179, 1383537, 2305895, 4150611, 6917685, 20753055]

約数ペア:

[(1, 20753055), (3, 6917685), (5, 4150611), (9, 2305895), (15, 1383537), (45, 461179), (109, 190395), (327, 63465), (545, 38079), (981, 21155), (1635, 12693), (4231, 4905)]